Fix casting float->double #287

Job	Run time
build-win (windows-2019, Visual Studio 16 2019)	8m 21s
build-mac (macos-11)	9m 13s
build-ubuntu (ubuntu-20.04, Release, gcc, g++)	5m 25s
build-win (windows-2022, Visual Studio 17 2022)	8m 14s
build-mac (macos-12)	5m 13s
build-ubuntu (ubuntu-20.04, Release, clang, clang++)	4m 46s
build-ubuntu (ubuntu-20.04, Debug, gcc, g++)	5m 36s
build-ubuntu (ubuntu-20.04, Debug, clang, clang++)	3m 26s
build-ubuntu (ubuntu-22.04, Release, gcc, g++)	6m 21s
build-ubuntu (ubuntu-22.04, Release, clang, clang++)	4m 43s
build-ubuntu (ubuntu-22.04, Debug, gcc, g++)	6m 21s
build-ubuntu (ubuntu-22.04, Debug, clang, clang++)	4m 26s
valgrind	5m 6s
ceres	5m 41s
autodiff	4m 51s
codecov	3m 23s
cppcheck	5m 20s
pybind11-cmake (ubuntu-20.04)	5m 43s
pybind11-cmake (ubuntu-latest)	6m 28s
pybind11-pip (macos-latest, 3.7)	4m 50s
pybind11-pip (macos-latest, 3.8)	6m 0s
pybind11-pip (macos-latest, 3.9)	1m 59s
pybind11-pip (macos-latest, 3.10)	4m 4s
pybind11-pip (ubuntu-latest, 3.7)	1m 53s
pybind11-pip (ubuntu-latest, 3.8)	1m 41s
pybind11-pip (ubuntu-latest, 3.9)	1m 44s
pybind11-pip (ubuntu-latest, 3.10)	1m 38s
	2h 12m 26s

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